The Federal Trade Commission (FTC) announced it is launching an inquiry that “will shed light on” clawbacks, potentially unfair audits, rebates, and other business practices of the pharmacy benefits management (PBM) industry. The announcement says the commission will be requiring information and records regarding their business practices from the six largest PBMs: CVS Caremark, Express Scripts, OptumRx, Humana, Prime Therapeutics, and MedImpact Healthcare Systems.